Date and time Learn programming C#

using System;
class DateAndTime1
{
    static void Main()
    {
        string day = DateTime.Now.Day.ToString("00");
        string month = GetMonth(DateTime.Now.Month);
        int year = DateTime.Now.Year;
        string time = DateTime.Now.ToLongTimeString();

        Console.WriteLine("Today is {0} of {1} of {2}. It´s {3}.", day, month, year, time);
    }

    static string GetMonth(int numberMonth)
    {
        string[] months =
            new string[] { "January", "February", "March", "April", "May", "June", "July", 
                           "August", "September", "October", "November", "Decenber" };

        return months[numberMonth - 1];
    }
}